Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Slow speed Moderate speed Any one of these Highs peed Slow speed Moderate speed Any one of these Highs peed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Sliding pair Open pair Point contact pair Closed pair Sliding pair Open pair Point contact pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Eccentricity Diameter of disc Span of shaft All of the listed here Eccentricity Diameter of disc Span of shaft All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Internal expanding brake Band and block brake Band brake Shoe brake Internal expanding brake Band and block brake Band brake Shoe brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP